When using unicast music on hold, how many streams will be sent to endpoints if a corporate
marketing department has a customized message that is played whenever a customer is placed
on hold?

A.
one

B.
one for each message in the music on hold system

C.
one for each endpoint placed on hold

D.
one per instance of music on hold in the server

Explanation:

Link : http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_0_1/ccmfeat/fsmoh.html
Cisco Unified Communications Manager Features and Services Guide for Cisco
Unified Communications Manager Release 8.5(1), page-1003.